Getting An illegal reflective access operation has occurred warning - when installing AEM.



Hello All,

  When installing AEM 6.5 I am getting below warning.. what could be the cause?  - AEM 6.5 , Jdk 11.0.8-windows


java -server -XX:MaxPermSize=256m -Xmx1024M -jar aem-author-p4502.jar -r author, nosamplecontent
Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0
Loading quickstart properties: default
Loading quickstart properties: instance
Low-memory action set to fork
Using 64bit VM settings, min.heap=1024MB, min permgen=256MB, default fork arguments=[-Xmx1024m, -XX:MaxPermSize=256m]
The JVM reports a heap size of 1024 MB, meets our expectation of 1024 MB +/- 20
Setting properties from filename 'C:/Users/dev/aem-blank/author/aem-author-p4502.jar'
Option '-quickstart.server.port' set to '4502' from filename aem-author-p4502.jar
Setting '' to 'author,,nosamplecontent' from command line.
The admin password for this instance hasn't been defined yet.
Please enter the desired admin password:
Please re-enter password:
Verbose option not active, closing stdin and redirecting stdout and stderr
Redirecting stdout to ....
Redirecting stderr to ..
Press CTRL-C to shutdown the Quickstart server...
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.felix.framework.ext.ClassPathExtenderFactory$DefaultClassLoaderExtender (file:/C:/Users/dev/aem-blank/author/crx-quickstart/launchpad/ to method
WARNING: Please consider reporting this to the maintainers of org.apache.felix.framework.ext.ClassPathExtenderFactory$DefaultClassLoaderExtender
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release




Accepted Solutions (1)

Accepted Solutions (1)



Hello @veemat1 you may ignore these warning messages because they do not hamper any functionality of AEM. You may suppress the warnings. Thanks, Bilal.

Answers (2)

Answers (2)





Warning will not hamper the overall working of AEM server. 
Just verify some of it's basic functionality before building an end-to-end application.